[jira] [Created] (AIRAVATA-964) Add single job support as a first class simple Apache Airavata Execution

["Suresh Marru (JIRA)" <ji...@apache.org>]

Suresh Marru created AIRAVATA-964:
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             Summary: Add single job support as a first class simple Apache Airavata Execution
                 Key: AIRAVATA-964
                 URL: https://issues.apache.org/jira/browse/AIRAVATA-964
             Project: Airavata
          Issue Type: Epic
          Components: Airavata Client, GFac
            Reporter: Suresh Marru


Currently Airavata supports single jobs by wrapping it as a single node task within a workflow. This wrapping is justified if workflow is the predominant use of Airavata and single application execution is a rare usage pattern. As Airavata is getting more usage, the simple execution but for large number of invocations and diverse applications is getting more widely used. 

Providing a first class way of a simple application execution will reduce the overhead in creating and managing workflows. But this takes away all the orchestration capabilities provided by the Workflow Interpreter. This Epic is to discuss a new component to Airavata which provides based job orchestration while persisting the request state to registry so the application management component (GFac) can be stateless and recover the job from a frequently checkpointed state from the registry



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